group hezbollah syria's proxy in neighboring lebanon fought israel to a surprising draw in 2006. it is now believed to have missiles including some supplied by syria that could strike tel aviv. that city has come under such fire before. and israelis are prepared. every apartment and every house in this middle class neighborhood contains a safe room where the family can take refuge in the case of attack. that's been required of every dwelling built here in the last 20 years, ever since saddam hussein aimed missiles at israel during the first gulf war. this man owns a company called i am protected. he installs, upgrades and retrofits residential safe rooms that serve as shelters in the case of attack. so what makes this a safe room? >> first of all, the walls are thicken and they're made of concrete. you have a special door for the blast. and when it's locked like this, it's also being sealed. >> warner: what do your customers tell you? i mean, do they think they'll really ever have to use this room? >> first of all, they've already used >> first of all, they use it. they already u